How to Solve the Problem of Strong Exhaust Fumes Inside the Car?

[LeAubree]

Close or switch the car's air recirculation mode, and check if there is any leakage in the engine exhaust pipe; Inspect and repair the exhaust gas recirculation system, ensure the sealing of all vehicle seals, and promptly perform maintenance on the engine's working condition; If the air-fuel mixture is too rich or incomplete combustion leads to excessive exhaust emissions, check the air filter, oxygen sensor, and throttle position sensor; Clean carbon deposits in the throttle body and cylinders, and use high-quality gasoline.